| Description: | Hands-free device/speakerphone use with mobile phone in last 3 month |
| Category: | Electronic device use ⏴ Lifestyle and environment ⏴ Touchscreen ⏴ Assessment centre |
| Participants | 429,912 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2012 | |||
| Item count | 502,250 | Item Type | Data | Instances | Defined (4) | Version | Nov 2022 | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | d1 o1 s1 |
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Instance 1 : First repeat assessment visit (2012-13)
17,566 participants, 17,566 items
Instance 2 : Imaging visit (2014+)
56,470 participants, 56,470 items
Instance 3 : First repeat imaging visit (2019+)
4,986 participants, 4,986 items
If the participant activated the Help button they were shown the message:
| If you are unsure, please provide an estimate or select Do not know. |
Field 1130 was collected from participants who indicated they have used a mobile phone at least once per week in the past or do not know whether they have used or not, as defined by their answers to Field 1110
| Category ID | Description | Items |
|---|---|---|
| 100000 | Assessment centre | +3688 |
| 100053 | Electronic device use | 11 |
| 704 | Lifestyle | 461 |
| 100050 | Lifestyle and environment | +155 |
| 100025 | Touchscreen | +396 |
| Field ID | Description | Relationship |
|---|---|---|
| 1110 | Length of mobile phone use | Current Field was collected from participants who indicated they have used a mobile phone at least once per week in the past or do not know whether they have used or not, as defined by their answers to ~F11 |
| 10016 | Regular use of hands-free device/spe ... | Field 10016 is the pilot-study predecessor of main-study Current Field |
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